code: def ZERO():
      return np.asarray(0.0, dtype=np_dtype)
  
file_path: cleverhans/cleverhans_v3.1.0/cleverhans/attacks/elastic_net_method.py
imports: import logging
  import numpy
  import tensorflow
  from cleverhans.attacks.attack import Attack
  from cleverhans.compat import reduce_sum, reduce_max
  from cleverhans.model import Model, CallableModelWrapper, wrapper_warning_logits
  from cleverhans import utils
label_desc: Use image node_id 1 for calling a global function with example usage: ZERO() and returns: np